Barak Michener, a Software Engineer working for the Google Knowledge Team, has open sourced a personal project called Cayley, a graph database inspired by Freebase and the Google Knowledge Graph, the later powering Google’s search engine. Freebase is a collection of free structured data, currently at ~2.7B facts and counting, and an API for querying this data.

Aerospike has open sourced their NoSQL database under the AGPL 3.0 license. This license requires that any improvements to the source code to be submitted back to the trunk. The source code of the Aerospike server and related tools is available on GitHub.

Speaking at QCon New York on Wednesday Jeff Johnson, from the core data group at Facebook, announced Apollo, Facebook’s Paxos-like NoSQL database. Written in C++11 on top of the Apache Thrift 2 RPC framework, Apollo is a hierarchical storage system where all the data is split into shards, very much analogous to region servers in HBase.

Up until now, JetBrains’ IDEs have included plug-ins for dealing with database administration and development tasks. JetBrains has decided to extract the respective functionality and place it in an IDE of its own, namely 0xDBE.

Tesora, previously known as Parelastic is developing a DBaaS for OpenStack. Tesora has partnered with the OpenStack Trove community and its DBaaS solution has had support from day zero for MySQL. Now it has added support for MongoDB offering SQL and NoSQL databases to be deployed side by side..

PostgreSQL 9.4 Beta comes with the much-anticipated "binary JSON" type, JSONB. This new storage format for document data is higher-performance and comes with indexing, functions and operators for manipulating JSON data.

Splunk, a company specializing in searching, monitoring, and analyzing machine-generated data, has announced the release of Hunk 6.1. Hunk provides an analytics platform for big data. The new release also provides streaming resource libraries to connect Hunk to any NoSQL data store, such as Apache Cassandra, MongoDB, and Neo4j.

This year's ApacheCON North America conference saw key speakers focus on open source and its community. With more than 400 attendees, over 70 projects represented and 180 conference sessions it covered as many diverse topics as diverse the Apache Software Foundation projects are.

Starting from the premise that today “80 percent of enterprise data is unstructured and growing at twice the rate of structured data”, Cloudera and MongoDB have announced a “strategic” partnership meant to provide customers the option to combine Cloudera’s Apache-based Big Data platform with MongoDB’s NoSQL solution.

The social-networking company AddThis open-sourced Hydra under the Apache version 2.0 License in a recent announcement. Hydra grew from an in-house platform created to process semi-structured social data as live streams and do efficient query processing on those data sets.